1 /*
2  * Xtensa Special Register symbolic names
3  */
4 
5 /* $Id: //depot/rel/Homewood/ib.5/Xtensa/SWConfig/hal/specreg.h.tpp#1 $ */
6 
7 /* Customer ID=16990; Build=0x904d8; Copyright (c) 1998-2002 Tensilica Inc.
8 
9    Permission is hereby granted, free of charge, to any person obtaining
10    a copy of this software and associated documentation files (the
11    "Software"), to deal in the Software without restriction, including
12    without limitation the rights to use, copy, modify, merge, publish,
13    distribute, sublicense, and/or sell copies of the Software, and to
14    permit persons to whom the Software is furnished to do so, subject to
15    the following conditions:
16 
17    The above copyright notice and this permission notice shall be included
18    in all copies or substantial portions of the Software.
19 
20    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23    IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24    CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25    TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26    SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.  */
27 
28 #ifndef XTENSA_SPECREG_H
29 #define XTENSA_SPECREG_H
30 
31 /*  Include these special register bitfield definitions, for historical reasons:  */
32 #include <xtensa/corebits.h>
33 
34 
35 /*  Special registers:  */
36 #define LBEG		0
37 #define LEND		1
38 #define LCOUNT		2
39 #define SAR		3
40 #define BR		4
41 #define PREFCTL		40
42 #define WINDOWBASE	72
43 #define WINDOWSTART	73
44 #define MPUENB		90
45 #define ERACCESS	95
46 #define IBREAKENABLE	96
47 #define MEMCTL		97
48 #define CACHEADRDIS	98
49 #define DDR		104
50 #define IBREAKA_0	128
51 #define IBREAKA_1	129
52 #define DBREAKA_0	144
53 #define DBREAKA_1	145
54 #define DBREAKC_0	160
55 #define DBREAKC_1	161
56 #define EPC_1		177
57 #define EPC_2		178
58 #define EPC_3		179
59 #define EPC_4		180
60 #define EPC_5		181
61 #define EPC_6		182
62 #define DEPC		192
63 #define EPS_2		194
64 #define EPS_3		195
65 #define EPS_4		196
66 #define EPS_5		197
67 #define EPS_6		198
68 #define EXCSAVE_1	209
69 #define EXCSAVE_2	210
70 #define EXCSAVE_3	211
71 #define EXCSAVE_4	212
72 #define EXCSAVE_5	213
73 #define EXCSAVE_6	214
74 #define CPENABLE	224
75 #define INTERRUPT	226
76 #define INTENABLE	228
77 #define PS		230
78 #define VECBASE		231
79 #define EXCCAUSE	232
80 #define DEBUGCAUSE	233
81 #define CCOUNT		234
82 #define PRID		235
83 #define ICOUNT		236
84 #define ICOUNTLEVEL	237
85 #define EXCVADDR	238
86 #define CCOMPARE_0	240
87 #define CCOMPARE_1	241
88 #define CCOMPARE_2	242
89 #define MISC_REG_0	244
90 #define MISC_REG_1	245
91 #define MISC_REG_2	246
92 #define MISC_REG_3	247
93 
94 
95 /*  Special cases (bases of special register series):  */
96 #define IBREAKA		128
97 #define DBREAKA		144
98 #define DBREAKC		160
99 #define EPC		176
100 #define EPS		192
101 #define EXCSAVE		208
102 #define CCOMPARE	240
103 
104 /*  Special names for read-only and write-only interrupt registers:  */
105 #define INTREAD		226
106 #define INTSET		226
107 #define INTCLEAR	227
108 
109 #endif /* XTENSA_SPECREG_H */
110 
111